Use less feed force.
15. SAWING PROBLEMS
Place guides as close as possible to the work
SLOW CUTTING
piece.
Use coarser pitch tooth if possible.
Replace old blade.
Use faster blade speed when possible.
Check for leakage in hydraulic system allowing
Increase cutting force if possible.
cutting head to leak down.
POOR BLADE LIFE
JUMPING OF CUTTING HEAD
Blade is running too fast.
Check blade weld carefully for improper align-
Cutting force is too heavy.
ment or grinding.
Blade pitch is too fine.
Check blade for stripped teeth.
Use ample coolant.
CUTTING HEAD BINDING ON HINGE OR
TOOTH STRIPPING
COLUMNS
Cutting force is too heavy.
Machine is not properly leveled causing the
Blade pitch is wrong. Use a coarser pitch blade
hinge or columns to misalign.
on wide sections, a finer pitch on thin sections,
Clean columns of rust, dirt, etc. and apply
plus ample coolant.
light film of oil.
Check blade brush to make sure it is cleaning
the blade.
BLADE VIBRATION
Change blade speed to break the resonant
BLADE STARTS CUT INTO WORK PIECE,
pattern of the blade.
THEN STOPS CUTTING
Increase blade tension.
This condition is typical of work hardening
Use different pitch blade.
material. Apply ample cutting force so teeth
Change the cutting force.
are continually cutting, not sliding through
Check work clamping.
the work piece.
Move blade guides closer to work.
Blade running too fast, causing the teeth to
Blade speed is too fast.
dull from overheating.
LOADING OF TOOTH GULLETS
Use coarser pitch blade.
Use a coarser pitch blade.
Apply coolant liberally or try a different type
CROOKED CUTS
of coolant.
Replace old blade.
Use less feed force with increased blade speed.
Place blade guides as close to work as prac-
tical.
BLADE STALLS IN WORK
Check alignment of blade guides.
Decrease cutting force.
Check for leakage in hydraulic system allowing
Decrease cutting head approach speed.
the cutting head to leak down.
Check blade tension.
Check alignment of the cutting head guide
Check drive motor belts.
post.
Blade not tracking properly on wheels.
BLADE BREAKAGE
CHIPS WELDED TO TEETH
Blade tensioned too tight. See manual for your
Use coolant.
machine.
Check blade brush.
Roller guides adjusted too tight, causing high
Decrease cutting force rate.
flexing of band.
Check blade wheels for wear and alignment
LOSS OF TOOTH SET
(see maintenance instructions).
Blade is running with teeth between guide
If saw blade is breaking at welds, use a longer
rollers or on blade wheels.
heat. If blades were purchased, return for re-
BLADE SIDES ARE HEAVILY SCORED
welding.
Check carbide blocks in guide.
Cutting force may be too high.
Check coolant supply
CONCAVE CUTS
BLADE NOT TRACKING PROPERLY
Increase the blade tension.
Consult manual and align blade wheels.
Use a coarser pitch blade if possible.
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